A   teacher uses the passage to assess whether students can identify relationships between biological structures and their functions. Consider the statements concerning the capture and digestion mechanism of the sundew.

I.The mucilage may interfere with the spiracles through which the insect breathes.
II.Sensitive hairs detect the presence of prey and begin to curl inward.
III.Digestive enzymes break down the softer parts of the captured insect.
IV.The plant discards the nutrients before reopening its leaves.

Select the alternative that presents the correct statements.